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(B) The correct match is $B$. $1$. The presence of a ventral,solid,and double central nervous system is a characteristic feature of non-chordates like

Vedclass · Accepted Answer

Ventral,solid central nervous system $-$ Leech

Vedclass · Answer

(B) The correct match is $B$. $1$. The presence of a ventral,solid,and double central nervous system is a characteristic feature of non-chordates like annelids (e.g.,Leech). $2$. Post-anal tail is a characteristic feature of chordates,not Octopus (a mollusc). $3$. Pharyngeal gill slits are present in the embryos of all chordates,including reptiles like the Garden lizard. $4$. $A$ ventral heart is a feature of non-chordates; chordates possess a dorsal heart.

Column $-I$	Column $-II$
$(A)$ Cartilaginous fishes	$(i)$ Cycloid scales
$(B)$ Bony fishes	$(ii)$ Epidermal scales
$(C)$ Reptiles	$(iii)$ Placoid scales

Which of the following represents a correct match of a somatic feature and the animal possessing it?

Similar Questions

Select the animals having an open type of circulatory system:
$(i)$ $Ascidia$
$(ii)$ $Cockroach$
$(iii)$ $Earthworm$
$(iv)$ $Prawn$
$(v)$ $Silver$ $fish$
$(vi)$ $Snail$
$(vii)$ $Squid$

$A$: Piscean scales are similar to reptilian scales in origin.
$R$: Age of the animal can be deduced by lines of growth on both the scales.

Which of the following is common among a leech,a mosquito,a bed bug,and a rat?

Choose the correct statement.

Column $-I$ represents the animal class, while Column $-II$ represents the exoskeleton. Choose the correct option:
Column $-I$ Column $-II$
$(A)$ Cartilaginous fishes $(i)$ Cycloid scales
$(B)$ Bony fishes $(ii)$ Epidermal scales
$(C)$ Reptiles $(iii)$ Placoid scales

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